Conventional Spark Plugs

Fotos-ImagensThe NGK Conventional Spark Plug began its development in 1930s in Japan and received several enhancements until the present day.

The release of the Super S type Spark Plug, which has nickel electrodes with built-in copper into the central electrode, guaranteed longer durability with an enlargement of the working heat range. With this, the use of copper built into the central electrode was extended to all NGK spark plugs.